For CNC lathe, linear guide rail is an important part. When the lathe works, the guide rail mainly plays a supporting and guiding role, so that the rest of the machine tool moves back and forth according to the specified trajectory, and the positioning accuracy of some parts is guaranteed. In the process of using a lathe for a long time, we often find that the guide rail is worn, and the machining quality, accuracy and efficiency of the products are seriously affected when the lathe is processing the guide rail after wear. Then, what abnormalities will occur after the guide rail is worn for a long time?
1. When machining a short cylindrical surface, there will be a positive cone or a negative cone, which makes the processed product not meet the requirements and needs to be reworked or scrapped.
2. When the thread is turned, the accuracy of the guide rail will be damaged, which will make the depth and groove spacing of the thread groove not match the required parameters, thus affecting the behavior tolerance and size of the processed product.
3. The surface of the guide rail is seriously worn, and the friction resistance of the lathe increases during operation, which makes the noise of the machine tool increase. Long-term exposure to high noise will pose a serious threat to the health of staff.
Generally speaking, the wear of guide rail will not only affect the accuracy and quality of products, but also affect the machining accuracy, quality, efficiency and noise of machine tools. We need to adopt different methods to improve the wear resistance of guide rail and reduce the wear of guide rail during operation, so that the guide rail can maintain high accuracy for a long time.
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